diff --git a/plugins/network/nft_counters b/plugins/network/nft_counters
index 5858af46..d03d4eba 100755
--- a/plugins/network/nft_counters
+++ b/plugins/network/nft_counters
@@ -231,10 +231,10 @@ class MuninNftCountersPlugin(MuninPlugin):
 
             if self.envCheckFilter("counters", counter["name"]):
                 if not (count_only == "bytes"):
-                    graph_packets.addField(counter["name"], counter["name"], max=0,
+                    graph_packets.addField(counter["name"], counter["name"], min=0,
                                            type="DERIVE", info=field_info)
                 if not (count_only == "packets"):
-                    graph_bytes.addField(counter["name"], counter["name"], max=0,
+                    graph_bytes.addField(counter["name"], counter["name"], min=0,
                                          type="DERIVE", info=field_info)
 
         if not (count_only == "bytes"):